US3874479A - Unitary food tray make-up conveyor table apparatus - Google Patents

Unitary food tray make-up conveyor table apparatus Download PDF

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Publication number
US3874479A
US3874479A US302770A US30277072A US3874479A US 3874479 A US3874479 A US 3874479A US 302770 A US302770 A US 302770A US 30277072 A US30277072 A US 30277072A US 3874479 A US3874479 A US 3874479A
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food
conveyor
supporting
shelf
cabinet
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US302770A
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Bruno Onori
Meredith Luck
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INTERNATIONAL FOODSERVICE EQUIPMENT SYSTEMS Inc A CORP OF
SOUTHERN ACQUISITION Co OF ST LOUIS
SAID MEREDITH LUCK TO SAID BRU
SAID MEREDITH LUCK TO SAID BRUNO ONORI
Bastian Advanced Systems Inc
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SAID MEREDITH LUCK TO SAID BRU
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Assigned to INTERNATIONAL FOODSERVICE EQUIPMENT SYSTEMS, INC., A CORP. OF DE reassignment INTERNATIONAL FOODSERVICE EQUIPMENT SYSTEMS, INC., A CORP. OF DE ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: MCGRAW-EDISON COMPANY
Assigned to CONGRESS FINANCIAL CORPORATION reassignment CONGRESS FINANCIAL CORPORATION SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: INTERNATIONAL FOOD SERVICE EQUIPMENT SYSTEMS, INC.
Assigned to BASTIAN ADVANCED SYSTEM, INC. reassignment BASTIAN ADVANCED SYSTEM, INC. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE DATE 02/09/82 Assignors: INTERNATIONAL FOOD SERVICE EQUIPMENT SYSTEMS, INC.
Assigned to BIH FOODSERVICE, INC., FORMERLY KNOWN AS INTERNATIONA FOODSERVICE EQUIPMENT SYSTEMS, INC. reassignment BIH FOODSERVICE, INC., FORMERLY KNOWN AS INTERNATIONA FOODSERVICE EQUIPMENT SYSTEMS, INC. RELEASED BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: CONGRESS FINANCIAL CORPORATION
Assigned to GENERAL ELECTRIC CREDIT CORPORATION reassignment GENERAL ELECTRIC CREDIT CORPORATION SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BIH FOODSERVICE,INC.
Assigned to GENERAL ELECTRIC CREDIT CORPORATION reassignment GENERAL ELECTRIC CREDIT CORPORATION SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BIH FOODSERVICE, INC.
Assigned to HUSSMANN CORPORATION, 12999 ST. CHARLES ROCK ROAD, BRIDGETON, MISSOURI, 63044, A CORP OF DELAWARE reassignment HUSSMANN CORPORATION, 12999 ST. CHARLES ROCK ROAD, BRIDGETON, MISSOURI, 63044, A CORP OF DELAWARE ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: GENERAL ELECTRIC CREDIT CORPORATION
Assigned to MIDDLEBY MARSHALL, INC., A CORP. OF DE reassignment MIDDLEBY MARSHALL, INC., A CORP. OF DE ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: HUSSMANN CORPORATION
Assigned to CITIBANK, N.A., A NATIONAL BANKING ASSOCIATION, AS AGENT reassignment CITIBANK, N.A., A NATIONAL BANKING ASSOCIATION, AS AGENT SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MIDDLEBY MARSHALL INC.
Assigned to SOUTHERN ACQUISITION COMPANY OF ST. LOUIS reassignment SOUTHERN ACQUISITION COMPANY OF ST. LOUIS ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: MIDDLEBY MARSHALL INC., 8300 AUSTIN AVE., MORTON GROVE, IL. 60053, A CORP. OF DE.
Assigned to MIDDLEBY MARSHALL INC., A CORP. OF DE. reassignment MIDDLEBY MARSHALL INC., A CORP. OF DE. RELEASED BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). PREVIOUSLY RECORDED ON REEL 5159 FRAME 878 Assignors: CITIBANK, N.A., AS AGENT
Assigned to BOATMEN'S NATIONAL BANK OF ST. LOUIS, THE reassignment BOATMEN'S NATIONAL BANK OF ST. LOUIS, THE SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SOUTHERN ACQUISITION COMPANY OF ST. LOUIS, (IN THE FUTURE TO BE KNOWN AS SOUTHERN EQUIPMENT COMPANY), 4550 GUSTINE, ST. LOUIS, MO. 63116, A CORP. OF DE.
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Assigned to MIDDLEBY MARSHALL INC. reassignment MIDDLEBY MARSHALL INC. RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: CITIBANK, N.A.
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47FSPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F10/00Furniture or installations specially adapted to particular types of service systems, not otherwise provided for
    • A47F10/06Furniture or installations specially adapted to particular types of service systems, not otherwise provided for for restaurant service systems

Definitions

  • ABSTRACT This is a unitary food tray make-up conveyor table apparatus for operation by a number of attendants in rapidly loading prepared hot or cold food onto trays for airplane in-flight kitchens, for hospitals, for nursing homes, and anywhere where a variety of foods are to be assembled on a number of trays for later distribution. It consists of a generally rectangular table having a conveyor operable about a food supply island area. A variety of foods are placed in the island area.
  • the island area food receiving means includes either heated and/or cooled compartments and/or shelves facing the long edges of the rectangular table.
  • the table is supported on support cabinets having legs or casters with brakes and a shelf may connect the bottoms of the cabinets.
  • the conveyor includes a stainless steel roller chain having spaced pins for receiving and detachably supporting stainless steel food tray holders.
  • the conveyor is powered by an adjustable speed motor having a slip clutch automatic safety cut-off which stops the unit should any object get caught between tray holders.
  • This invention has for an object to provide a space saving conveyor convenient table apparatus for loading a plurality offood trays with a variety of foods in a minimum of time, at the same time including heating or cooling means, as desired, appropriate to the particular foods placed thereon for distribution to the trays.
  • a further object of this invention is to provide a unique means of loading prepared food onto trays for in-flight kitchens for airplanes or for any type of food operation.
  • Still a further object of this invention is to provide a complete space saving tray make-up system for hospitals and nursing homes.
  • Another object of this invention is to provide a unitary food tray make-up conveyor table apparatus having a food supply area around which the conveyor travels carrying the food trays past the food supply area, whereby attendants may manually select and transfer the food from the food supply area to the food trays being made up.
  • a further object is to provide a conveyor table apparatus having an adjustable speed power supply so that the movement of the trays can be set at a desired speed.
  • Still another object is to provide a unitary food tray conveyor table apparatus which is mounted on brakable casters for easy movement to a desired location, or on legs, if desired.
  • a further object of this invention is to provide a unitary food tray make-up conveyor table apparatus which may be of easily sterilizable material attachable and removable food tray holders.
  • FIG. 1 is a front perspective view of one form of the unitary food tray make-up conveyor table of this invention.
  • FIG. 2 is an enlarged fragmentary sectional view through the conveyor and attached food tray holder on line 2-2 of FIG. 1.
  • FIG. 3 is a perspective view of the tray holder.
  • FIG. 4 is a front view of another form having heated and cooled compartment means for the food supply.
  • FIG. 5 is a top plan view of FIG. 4.
  • FIG. 6 is a section on line 6-6 of FIG. 5.
  • FIG. 7 is a section in line 77 of FIG. 1.
  • FIG. 8 is a perspective, partly exploded view of the chassis, showing that the chassis may be made readily separable for assembly through a door too small to admit the assembled table.
  • FIG. 9 shows a power connection cable for use with the separable form of FIG. 8.
  • unitary food tray make-up conveyor table apparatus including a gen-- erally rectangular table 12, rounded at its corners 13, supported at each end on a hollow cabinet 14 and 16.
  • Each support cabinet 14 and 16, in turn, is supported by conventional casters 17.
  • At least some of the casters 17 have brakes [8 locking the casters 17 against rotation.
  • the table 12, as shown in detail in FIG. 8, consists of table sections 19 supported on square steel hollow tubing 20.
  • tubing 20 may be integral, it may also be made in two pieces having telescoping meeting ends 22, so that when the entire table apparatus is too large to be brought into the kitchen, or other place it may be used, it may be brought in in two sections before being assembled at the desired location. Also, legs 23 may be used instead of casters 17, if desired.
  • All exterior structure is preferably of stainless steel, so that it may be readily sterilized, as by live steam.
  • the essence of the invention is the conveyor 24 which extends about an island area 76 wherein the food is placed.
  • the conveyor 24 is a stainless steel roller chain traveling on four sprocketsgears 26 and 28.
  • Gears 26 are idler gears
  • gear 28 is a power gear mounted on a power shaft 30 of a conventional commercially available adjustable speed gear motor 32 suitably supported within the table supporting hollow cabinet 14.
  • a removable cabinet door 34 provides access to the adjustable motor 32 for adjusting the speed as desired.
  • the idler gears 26 are mounted on idler shafts 36 journalled and supported within the cabinet means 14 and 16.
  • a conventional refrigerating mechanism 37 providing refrigeration for such of the food supply as desired.
  • a similar access door 38 is provided in the support cabinet 16.
  • the two table end sections 40 each have slots 42 fitting about the shafts 26 and 30.
  • the conveyor chain 24 travels within a chain guard 44 including a support bracket arm 46 on a square hollow tube 48 secured by cross bars 50 between table support bars 20 and 48, thus providing a chassis for the table 12.
  • a Z-bar 52 suitably secured within chain guard 44 supports a nylon slide or track 54, secured thereto by stud screws 56 for supporting the chain 24 when it is slack enough to ride thereon.
  • the foot 58 of Z-bar 52 is spaced from a depending guard apron 60 of guard 44 and thus provides a slot through which extends the J- shaped pin 62, each secured by a right angle connector 64 suitably spaced along the chain 24.
  • the J-shaped pins 62 are flat in crosssection, complementary to clamps or sockets 66 mounted on the middle of the back ledge 68 of a tray holder 70 of a suitable size to receive and support a food tray 71 thereon, held by a nosing or lip 72 against sliding off while going round the corners. Adjacent the front edge, each tray holder 70 is provided on its bottom with a pair of nylon gliders 73 secured on a depending angle iron 74 to ride on the surface of the table 12.
  • the conveyor chain 24 travels on its sprockets 26 and 28, it travels endlessly about a food receiving island area 76, in which area a variety of foods are to be placed, so that attendants may selectively take portions of food therefrom and place it on the trays 71 traveling thereabout on the tray holders
  • This island area 76 may be equipped for also keeping the foods thereon in warmed condition, or in chilled condition, or at atmospheric temperatures, or in any combinations of such conditions.
  • the island area 76 includes an upper slanted shelf 78, each shelf 78 slanting from a mid-high line 80 to the lower outer ledges 82 and supported on uprights 84, which in turn rest on frame members 86 supported on the chain guard 44. Also supported on the frame member 86 is a horizontal framework 88 providing support for a lower food supply area which may be in different forms.
  • this lower food supply area consists of a double slanted shelf 90 consisting of refrigerator tubing 92 mounted in suitable insulating material 94 further supported along its mid-bottom by a girder 96 suitably supported at its ends on the framework 88.
  • the lower food supply area is provided, on its framework 88 along one long side, with a long refrigerated compartment 100 resting on a refrigerator insulator bed 101 having refrigerator tubing 102.
  • the refrigerator tubing 92 or 102 is operatively connected in a conventional manner to the refrigerator mechanism 37 in the cabinet support 16.
  • four heatable compartments 104, each with its individual heat control unit 106, are provided for four different heated foods, the heating of course being provided by conventional electrical heating means.
  • a lower shelf consisting of spaced square tubes 108 is provided between the cabinet supports 14 and 16.
  • a flat sheet shelf may be substituted for the tubes 108.
  • Suitable electrical cables are provided through selected chassis hollow tubes for the motor 32, the refrigeration mechanism 37, the heat controls 100 and the heat compartments 104.
  • an electrical conduit 109 having a plug 110 at one end and a receptacle 112, is provided for connecting the electrical units in the support cabinets 14 and 16.
  • End shelves 114 supported on the aprons 60 cover the gears 26 and 28.
  • the conveyor clamps or sockets 66 abut against the guard apron 60 particularly in rounding the end shelves 114.
  • Electrical receptacles 116 and 118 are provided in the island area shelf 78 and in the cabinet support 14 and are internally connected to all the electrical equipment in this device. so that a conductor may be connected to either, depending on the location where this conveyor table is used.
  • this food tray make-up conveyor table apparatus is set up and electrically connected in the desired location, the casters 17 being braked at 18 to keep it stationary, and the heating and/or the refrigerating mechanism are operated to provide desired heating or cooling, according to the foods being provided.
  • Suitably prepared foods are then placed on the slanted shelves 78 and 90, or in the compartments 100 and 104.
  • the tray holders 70 are placed in position on the chain conveyor 24, which is then set to operate at the desired speed, which may be from seven to forty two feet per minute. Attendants then take food from the island area 76 and place it on trays 71 on the tray holders.
  • empty trays 71 are placed on tray holders 70, from which trays 71 loaded with food are removed and placed in suitable portable cabinets for delivery of the food to the in-flight kitchen for an airplane, to hospital or nursing home rooms, as desired.
  • Four or five attendants are usually sufficient to operate the conveyor table apparatus, and about thirty feet of conveyor is provided in about fifteen feet of floor space.
  • the motor 32 includes a slip clutch automatic safety shut-off switchs, of conventional construction, should any object become caught between tray holders.
  • the tray holders ride against the apron 60 and readily pass about the rounded shelf corners of shelf 114.
  • the removed loaded trays 70 are immediately replaced with empty trays by the same attendant.
  • unitary food tray make-up conveyor table apparatus generally rectangular table 13 rounded table corners 14 cabinet providing support for table 12 and containing motor 32 16 other cabinet providing support for table 12 and containing refrigeration mechanism 17 casters l8 caster brakes 19 table side sections 20 steel square tubing 22 telescopic meeting ends of tubing 23 cabinet legs 24 roller chin conveyor 26 idler sprocket gears 28 powered sprocket gear 30 power shaft to gear 26 32 speed adjustable gear motor 34 access door of cabinet 14 36 idler shafts for gears 26 37 conventional refrigeration mechanism 38 access door of cabinet 16 40 table end sections 42 slots in 40 fitting about gear shafts 30 and 36 44 chain conveyor guard 46 support bracket for 44 48 square hollow tube of chassis 50 cross bars of chassis 52 Z-bar of chain guard 44 54 nylon slide or track for chain conveyor 24 56 stud screw securing 54 to 58 58 slide supporting foot of Z-bar 52 60 chain guard apron 62 J-shaped pins on chain conveyor 24 64 right angle connector of 62 to 24 66 clamps or sockets on 70 for receiving 62 68 back
  • a unitary food tray make-up conveyer apparatus comprising a substantially rectangular table (12), an endless flexible roller chain conveyor (24) operably mounted on said 83.5 (12) in an oval path in a single horizontal plane, gear means (26,28) engaging said roller chain conveyor (24) for operating said conveyor (24), power means (32) operatively connected to said gear means (28).
  • a plurality of spaced pins (62) on said chain conveyor (24) a plurality of food tray holders (70), a pin receiving socket (66) on each said tray holder (70) cooperating one of said chain conveyor pins (62) for pivotally securing one said tray holder (70) on said chain conveyor (24).
  • said apparatus further comprising a separate cabinet (14,16) at the bottom of each end of said apparatus 10) providing support for said apparatus (10). and temperature controlling means (92; 104,106) for at least some of said food receiving and supporting means 2.
  • said power means (32) activating said gear means (28) being located in one said supporting cabinet (14).
  • the apparatus of claim 1 further comprising said power means (32) being adjustable in speed for operating said conveyor (24) at various desired speeds.
  • said temperature controlling means further comprising coolant supply means (27) in one said supporting cabinet (16) for supplying coolant to said food receiving and supporting means (92).
  • said temperature controlling means further comprising heating means (104,106) for at least some of said food receiving and supporting means (104).
  • compartment means including heated compartment means (104) along one long table edge. and cooled compartment means along the long opposite table edge.
  • said food supply receiving and supporting means including slanted shelf means 78).
  • said slanted shelf means including a shelf (76,78) slanted toward each of the opposite long sides of said table (12).

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  • Devices For Warming Or Keeping Food Or Tableware Hot (AREA)

Abstract

This is a unitary food tray make-up conveyor table apparatus for operation by a number of attendants in rapidly loading prepared hot or cold food onto trays for airplane in-flight kitchens, for hospitals, for nursing homes, and anywhere where a variety of foods are to be assembled on a number of trays for later distribution. It consists of a generally rectangular table having a conveyor operable about a food supply island area. A variety of foods are placed in the island area. Heating means and/or cooling means are provided in the island area. The island area food receiving means includes either heated and/or cooled compartments and/or shelves facing the long edges of the rectangular table. The table is supported on support cabinets having legs or casters with brakes and a shelf may connect the bottoms of the cabinets. The conveyor includes a stainless steel roller chain having spaced pins for receiving and detachably supporting stainless steel food tray holders. The conveyor is powered by an adjustable speed motor having a slip clutch automatic safety cut-off which stops the unit should any object get caught between tray holders.

Description

United States Patent [191 Onori et a1.
[451 Apr. 1, 1975 UNITARY FOOD TRAY MAKE-UP CONVEYOR TABLE APPARATUS [73] Assignee: said Meredith Luck to said Bruno Onori, Opa Locka, Fla.
22 Filed: Nov. 1,1972
21 Appl. No.: 302,770
[52] U.S. C1 186/1 D [51] Int. Cl E04h 3/04 [58] Field of Search 186/1 R, l B, 1 D; 99/483, 99/443 C; 126/33; 108/21, 22, 24;
312/140.1, 140.2, 140.3, 140.4, 236, DIG.
27, DIG. 32
[56] References Cited UNITED STATES PATENTS 1,450,434 4/1923 Doerfler 186/1 R 2,806,604 9/1957 Krasnosky 108/22 2,886,395 5/1959 Cahn 312/236 X 2,894,604 7/1959 McMillan 186/1 R 2,900,045 8/1959 Conklin et a1. 186/1 R 3,038,986 6/1962 Molitor 126/33 X 3,162,495 12/1964 Swift 186/1 R X 3,366,199 1/1968 Chan 186/1 R 3,478,193 11/1969 Molitor... 312/236 X 3,503,346 3/1970 Chan 108/22 3,578,148 5/1971 Pinckard 186/1 R X Primary ExaminerRobert B. Reeves Assistant ExaminerCharles A. Marmor Attorney, Agent, or FirmGustave Miller 5 7] ABSTRACT This is a unitary food tray make-up conveyor table apparatus for operation by a number of attendants in rapidly loading prepared hot or cold food onto trays for airplane in-flight kitchens, for hospitals, for nursing homes, and anywhere where a variety of foods are to be assembled on a number of trays for later distribution. It consists of a generally rectangular table having a conveyor operable about a food supply island area. A variety of foods are placed in the island area. Heating means and/or cooling means are provided in the island area. The island area food receiving means includes either heated and/or cooled compartments and/or shelves facing the long edges of the rectangular table. The table is supported on support cabinets having legs or casters with brakes and a shelf may connect the bottoms of the cabinets. The conveyor includes a stainless steel roller chain having spaced pins for receiving and detachably supporting stainless steel food tray holders. The conveyor is powered by an adjustable speed motor having a slip clutch automatic safety cut-off which stops the unit should any object get caught between tray holders.
13 Claims, 9 Drawing Figures PATENTEDAPR 1 1 EU 2 OF 5 Jwm N St
ii -g 555 m 1 1975 saw 3 or 5 II lllllllllll lllllllllll UNITARY FOOD TRAY MAKE-UP CONVEYOR TABLE APPARATUS OBJECTS OF THE INVENTION This invention has for an object to provide a space saving conveyor convenient table apparatus for loading a plurality offood trays with a variety of foods in a minimum of time, at the same time including heating or cooling means, as desired, appropriate to the particular foods placed thereon for distribution to the trays.
A further object of this invention is to provide a unique means of loading prepared food onto trays for in-flight kitchens for airplanes or for any type of food operation.
Still a further object of this invention is to provide a complete space saving tray make-up system for hospitals and nursing homes.
Another object of this invention is to provide a unitary food tray make-up conveyor table apparatus having a food supply area around which the conveyor travels carrying the food trays past the food supply area, whereby attendants may manually select and transfer the food from the food supply area to the food trays being made up.
A further object is to provide a conveyor table apparatus having an adjustable speed power supply so that the movement of the trays can be set at a desired speed.
Still another object is to provide a unitary food tray conveyor table apparatus which is mounted on brakable casters for easy movement to a desired location, or on legs, if desired.
A further object of this invention is to provide a unitary food tray make-up conveyor table apparatus which may be of easily sterilizable material attachable and removable food tray holders.
BRIEF DESCRIPTION OF THE DRAWINGS With the above and related objects in view, this invention consists in the details of construction and combination ofparts, as will be more fully understood from the following description, when read in conjunction with the accompanying drawings, in which:
FIG. 1 is a front perspective view of one form of the unitary food tray make-up conveyor table of this invention.
FIG. 2 is an enlarged fragmentary sectional view through the conveyor and attached food tray holder on line 2-2 of FIG. 1.
FIG. 3 is a perspective view of the tray holder.
FIG. 4 is a front view of another form having heated and cooled compartment means for the food supply.
FIG. 5 is a top plan view of FIG. 4.
FIG. 6 is a section on line 6-6 of FIG. 5.
FIG. 7 is a section in line 77 of FIG. 1.
FIG. 8 is a perspective, partly exploded view of the chassis, showing that the chassis may be made readily separable for assembly through a door too small to admit the assembled table.
FIG. 9 shows a power connection cable for use with the separable form of FIG. 8.
DETAILED DESCRIPTION OF THE INVENTION There is shown at 10 unitary food tray make-up conveyor table apparatus of this invention including a gen-- erally rectangular table 12, rounded at its corners 13, supported at each end on a hollow cabinet 14 and 16. Each support cabinet 14 and 16, in turn, is supported by conventional casters 17. At least some of the casters 17 have brakes [8 locking the casters 17 against rotation. The table 12, as shown in detail in FIG. 8, consists of table sections 19 supported on square steel hollow tubing 20. While this tubing 20 may be integral, it may also be made in two pieces having telescoping meeting ends 22, so that when the entire table apparatus is too large to be brought into the kitchen, or other place it may be used, it may be brought in in two sections before being assembled at the desired location. Also, legs 23 may be used instead of casters 17, if desired.
All exterior structure is preferably of stainless steel, so that it may be readily sterilized, as by live steam. The essence of the invention is the conveyor 24 which extends about an island area 76 wherein the food is placed. The conveyor 24 is a stainless steel roller chain traveling on four sprocketsgears 26 and 28. Gears 26 are idler gears, and gear 28 is a power gear mounted on a power shaft 30 of a conventional commercially available adjustable speed gear motor 32 suitably supported within the table supporting hollow cabinet 14. A removable cabinet door 34 provides access to the adjustable motor 32 for adjusting the speed as desired. The idler gears 26 are mounted on idler shafts 36 journalled and supported within the cabinet means 14 and 16.
Also supported with the table support cabinet 16 is a conventional refrigerating mechanism 37 providing refrigeration for such of the food supply as desired. A similar access door 38 is provided in the support cabinet 16.
For ease of assembly, the two table end sections 40 each have slots 42 fitting about the shafts 26 and 30. The conveyor chain 24 travels within a chain guard 44 including a support bracket arm 46 on a square hollow tube 48 secured by cross bars 50 between table support bars 20 and 48, thus providing a chassis for the table 12. A Z-bar 52 suitably secured within chain guard 44 suports a nylon slide or track 54, secured thereto by stud screws 56 for supporting the chain 24 when it is slack enough to ride thereon. The foot 58 of Z-bar 52 is spaced from a depending guard apron 60 of guard 44 and thus provides a slot through which extends the J- shaped pin 62, each secured by a right angle connector 64 suitably spaced along the chain 24. The J-shaped pins 62 are flat in crosssection, complementary to clamps or sockets 66 mounted on the middle of the back ledge 68 of a tray holder 70 of a suitable size to receive and support a food tray 71 thereon, held by a nosing or lip 72 against sliding off while going round the corners. Adjacent the front edge, each tray holder 70 is provided on its bottom with a pair of nylon gliders 73 secured on a depending angle iron 74 to ride on the surface of the table 12. As the conveyor chain 24 travels on its sprockets 26 and 28, it travels endlessly about a food receiving island area 76, in which area a variety of foods are to be placed, so that attendants may selectively take portions of food therefrom and place it on the trays 71 traveling thereabout on the tray holders This island area 76 may be equipped for also keeping the foods thereon in warmed condition, or in chilled condition, or at atmospheric temperatures, or in any combinations of such conditions.
In FIG. 1, the island area 76 includes an upper slanted shelf 78, each shelf 78 slanting from a mid-high line 80 to the lower outer ledges 82 and supported on uprights 84, which in turn rest on frame members 86 supported on the chain guard 44. Also supported on the frame member 86 is a horizontal framework 88 providing support for a lower food supply area which may be in different forms.
In FIGS. 1 and 7, this lower food supply area consists of a double slanted shelf 90 consisting of refrigerator tubing 92 mounted in suitable insulating material 94 further supported along its mid-bottom by a girder 96 suitably supported at its ends on the framework 88.
In FIGS. 4, 5 and 6, the lower food supply area is provided, on its framework 88 along one long side, with a long refrigerated compartment 100 resting on a refrigerator insulator bed 101 having refrigerator tubing 102. In both cases, the refrigerator tubing 92 or 102 is operatively connected in a conventional manner to the refrigerator mechanism 37 in the cabinet support 16. On the other long side, four heatable compartments 104, each with its individual heat control unit 106, are provided for four different heated foods, the heating of course being provided by conventional electrical heating means.
As shown in FIG. 1, a lower shelf consisting of spaced square tubes 108 is provided between the cabinet supports 14 and 16. Obviously, a flat sheet shelf may be substituted for the tubes 108. Suitable electrical cables are provided through selected chassis hollow tubes for the motor 32, the refrigeration mechanism 37, the heat controls 100 and the heat compartments 104.
When the food conveyor table apparatus is made to be assembled at the location to be used, rather than being completely preassembled, an electrical conduit 109, having a plug 110 at one end and a receptacle 112, is provided for connecting the electrical units in the support cabinets 14 and 16.
End shelves 114 supported on the aprons 60 cover the gears 26 and 28. In traveling about the table 12, the conveyor clamps or sockets 66 abut against the guard apron 60 particularly in rounding the end shelves 114.
Electrical receptacles 116 and 118 are provided in the island area shelf 78 and in the cabinet support 14 and are internally connected to all the electrical equipment in this device. so that a conductor may be connected to either, depending on the location where this conveyor table is used.
OPERATION In operation, this food tray make-up conveyor table apparatus is set up and electrically connected in the desired location, the casters 17 being braked at 18 to keep it stationary, and the heating and/or the refrigerating mechanism are operated to provide desired heating or cooling, according to the foods being provided. Suitably prepared foods are then placed on the slanted shelves 78 and 90, or in the compartments 100 and 104. The tray holders 70 are placed in position on the chain conveyor 24, which is then set to operate at the desired speed, which may be from seven to forty two feet per minute. Attendants then take food from the island area 76 and place it on trays 71 on the tray holders. At one end, empty trays 71 are placed on tray holders 70, from which trays 71 loaded with food are removed and placed in suitable portable cabinets for delivery of the food to the in-flight kitchen for an airplane, to hospital or nursing home rooms, as desired. Four or five attendants are usually sufficient to operate the conveyor table apparatus, and about thirty feet of conveyor is provided in about fifteen feet of floor space. The motor 32 includes a slip clutch automatic safety shut-off switchs, of conventional construction, should any object become caught between tray holders. The tray holders ride against the apron 60 and readily pass about the rounded shelf corners of shelf 114. The removed loaded trays 70 are immediately replaced with empty trays by the same attendant.
ABSTRACT OF THE DRAWINGS In the drawings, like numbers refer to like parts, and for the purposes of explication, marshalled below are the numbered parts of the improved unitary Food Tray MakeUp Conveyor Table Apparatus.
10 unitary food tray make-up conveyor table apparatus 12 generally rectangular table 13 rounded table corners 14 cabinet providing support for table 12 and containing motor 32 16 other cabinet providing support for table 12 and containing refrigeration mechanism 17 casters l8 caster brakes 19 table side sections 20 steel square tubing 22 telescopic meeting ends of tubing 23 cabinet legs 24 roller chin conveyor 26 idler sprocket gears 28 powered sprocket gear 30 power shaft to gear 26 32 speed adjustable gear motor 34 access door of cabinet 14 36 idler shafts for gears 26 37 conventional refrigeration mechanism 38 access door of cabinet 16 40 table end sections 42 slots in 40 fitting about gear shafts 30 and 36 44 chain conveyor guard 46 support bracket for 44 48 square hollow tube of chassis 50 cross bars of chassis 52 Z-bar of chain guard 44 54 nylon slide or track for chain conveyor 24 56 stud screw securing 54 to 58 58 slide supporting foot of Z-bar 52 60 chain guard apron 62 J-shaped pins on chain conveyor 24 64 right angle connector of 62 to 24 66 clamps or sockets on 70 for receiving 62 68 back ledge of 70 70 tray holder attached by 62 to 24 71 food tray 72 nosing or lip on tray holder 70 73 nylon glider on holders 70 74 angle iron to which 73 is attached 76 island area within 24 78 upper slanted shelf in area 76 80 mid-line of 78 82 ledges of 78 84 upright supports for 78 86 supporting frame members for 84 88 horizontal framework 90 double slanted shelf in area 76 92 refrigerator tubing 94 insulating material of shelf 90 96 girder under 94 98 lower food supply area 100 long refrigerated compartment 101 refrigerator insulator bed 102 refrigerator tubing to 100 104 heatable compartments 106 heat control unit for 104 108 lower shelf tubes 109 electrical conduit 110 electric plug on 109 112 electric receptacle on 109 114 end table shelves supported on aprons 60 116 and 118 electric receptacles for power Although this invention has been described in considerable detail. such description is intended as being illustrative rather than limiting. since the invention may be variously embodied, and the scope of the invention is to be determined as claimed.
Having thus set forth and disclosed the nature of this invention, what is claimed is:
1. A unitary food tray make-up conveyer apparatus comprising a substantially rectangular table (12), an endless flexible roller chain conveyor (24) operably mounted on said 83.5 (12) in an oval path in a single horizontal plane, gear means (26,28) engaging said roller chain conveyor (24) for operating said conveyor (24), power means (32) operatively connected to said gear means (28). a plurality of spaced pins (62) on said chain conveyor (24), a plurality of food tray holders (70), a pin receiving socket (66) on each said tray holder (70) cooperating one of said chain conveyor pins (62) for pivotally securing one said tray holder (70) on said chain conveyor (24). an island area (76,80) on said table (12) within said oval path of said chain conveyor (24). means (78 & 90; 78,100 & 104) in said island area (76) for receiving and supporting a supply of various foods to be selectively taken therefrom by a plurality of attendants and placed on food trays (71) removably supported on said tray holders (70), said apparatus further comprising a separate cabinet (14,16) at the bottom of each end of said apparatus 10) providing support for said apparatus (10). and temperature controlling means (92; 104,106) for at least some of said food receiving and supporting means 2. The apparatus of claim 1, said power means (32) activating said gear means (28) being located in one said supporting cabinet (14).
3. The apparatus of claim 1 further comprising said power means (32) being adjustable in speed for operating said conveyor (24) at various desired speeds.
4. The apparatus of claim 1, said temperature controlling means further comprising coolant supply means (27) in one said supporting cabinet (16) for supplying coolant to said food receiving and supporting means (92).
5. The apparatus of claim 1, said temperature controlling means further comprising heating means (104,106) for at least some of said food receiving and supporting means (104).
6. The apparatus of claim 1, said food supply and receiving and supporting means in said island area (76) being compartment means (90, 100, 104).
7. The apparatus of claim 6, said compartment means including heated compartment means (104) along one long table edge. and cooled compartment means along the long opposite table edge.
8. The apparatus of claim 1, said food supply receiving and supporting means including slanted shelf means 78).
9. The apparatus of claim 8, said slanted shelf means including a shelf (76,78) slanted toward each of the opposite long sides of said table (12).
10. The apparatus of claim 9, and shelf means (108) extending between and supported on said cabinets (14,16) adjacent their bottoms.
11. The apparatus of claim 1, and cabinet supporting means in the form of legs (23), said apparatus being readily portable.
12. The apparatus of claim 1, and cabinet supporting means in the form of casters (17). said apparatus being readily portable.
13. The apparatus of claim 12, and braking means (18) on said casters (17) for locking them against rotation.
UNITED STATES PATENT AND TRADEMARK OFFICE n 'IIIICATE O PATENT NO. 3,874,479
DATED I April 1, 1975 |NVENTOR(S) nori et a1.
It rs certified that error appears in the ab0ve-tdentified patent and that said Letters Patent Q are hereby corrected as shown below:
In Column 2, Line 17, delete "sprocketsgears" and insert -sprocket gears;
In Column 5, Line 23, delete "83. 5 and insert table;
In Column 5, Line 30, insert -adapted forafter "(70)";
In Column 5, Line 30, insert -With after "cooperating".
L lgned and Dealed this U- eventh D 0f April 1976 [SEAL] Q Arrest:
RUTH C. MASON C. MARSHALL DANN Arlestr'ng Officer (ummissr'mwr uj'lulents and Trademarks G

Claims (12)

  1. 2. The apparatus of claim 1, said power means (32) activating said gear means (28) being located in one said supporting cabinet (14).
  2. 3. The apparatus of claim 1 further comprising said power means (32) being adjustable in speed for operating said conveyor (24) at various desired speeds.
  3. 4. The apparatus of claim 1, said temperature controlling means further comprising coolant supply means (27) in one said supporting cabinet (16) for supplying coolant to said food receiving and supporting means (92).
  4. 5. The apparatus of claim 1, said temperature controlling means further comprising heating means (104,106) for at least some of said food receiving and supporting means (104).
  5. 6. The apparatus of claim 1, said food supply and receiving and supporting means in said island area (76) being compartment means (90, 100, 104).
  6. 7. The apparatus of claim 6, said compartment means including heated compartment means (104) along one long table edge, and cooled compartment means (100) along the long opposite table edge.
  7. 8. The apparatus of claim 1, said food supply receiving and supporting means including slanted shelf means (78).
  8. 9. The apparatus of claim 8, said slanted shelf means including a shelf (76,78) slanted toward each of the opposite long sides of said table (12).
  9. 10. The apparatus of claim 9, and shelf means (108) extending between and supported on said cabinets (14,16) adjacent their bottoms.
  10. 11. The apparatus of claim 1, and cabinet supporting means in the form of legs (23), said apparatus being readily portable.
  11. 12. The apparatus of claim 1, and cabinet supporting means in the form of casters (17), said apparatus being readily portable.
  12. 13. The apparatus of claim 12, and braking means (18) on said casters (17) for locking them against rotation.
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Cited By (16)

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Publication number Priority date Publication date Assignee Title
US4693331A (en) * 1986-04-23 1987-09-15 Hiniker Company Tractor boom
US4765440A (en) * 1987-06-29 1988-08-23 Philip Tashman Food service conveyor
WO1992009771A1 (en) * 1990-11-30 1992-06-11 Southern Equipment Company Modular foodservice equipment
USD384465S (en) * 1995-09-15 1997-09-30 Paul Somerset Mobile food preparation and service cart
US6497305B2 (en) 1998-02-12 2002-12-24 Pearl Beach Food service conveyor system
US6561317B1 (en) 2000-09-28 2003-05-13 Duke Manufacturing Company Foodservice system
US20030111325A1 (en) * 2000-02-11 2003-06-19 Hee Foo Kia Portable sushi counter with conveyor belt
US20030233814A1 (en) * 2002-06-25 2003-12-25 Ng Marting B.H. System and method for assembling trays and food on trays
EP1382278A2 (en) * 2002-07-17 2004-01-21 Marc De Maeyer Mobile gastronomic table for serving out food
WO2004089167A1 (en) * 2003-04-08 2004-10-21 Marc De Maeyer Mobile gastronomic table for serving out food
US20050178762A1 (en) * 2004-01-22 2005-08-18 Duke Manufacturing Company Food merchandising system
US7775346B1 (en) 2007-08-07 2010-08-17 Taylor Shirley D Food buffet table system
US20120248957A1 (en) * 2011-03-30 2012-10-04 Eaves Jr Charles L Food pan guide
US20160345753A1 (en) * 2015-06-01 2016-12-01 Illinois Tool Works Inc. Food preparation table
US9635936B1 (en) * 2014-10-20 2017-05-02 Robert Swislow Food presentation system
US9797633B2 (en) 2013-12-06 2017-10-24 Pearl Beach Temperature regulating food conveying container system

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US2894604A (en) * 1956-03-16 1959-07-14 Frank J Ablah Restaurant equipment
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Publication number Priority date Publication date Assignee Title
US4693331A (en) * 1986-04-23 1987-09-15 Hiniker Company Tractor boom
US4765440A (en) * 1987-06-29 1988-08-23 Philip Tashman Food service conveyor
WO1992009771A1 (en) * 1990-11-30 1992-06-11 Southern Equipment Company Modular foodservice equipment
US5163536A (en) * 1990-11-30 1992-11-17 Southern Equipment Company Modular foodservice equipment
USD384465S (en) * 1995-09-15 1997-09-30 Paul Somerset Mobile food preparation and service cart
US6497305B2 (en) 1998-02-12 2002-12-24 Pearl Beach Food service conveyor system
US20030111325A1 (en) * 2000-02-11 2003-06-19 Hee Foo Kia Portable sushi counter with conveyor belt
US6561317B1 (en) 2000-09-28 2003-05-13 Duke Manufacturing Company Foodservice system
US20030233814A1 (en) * 2002-06-25 2003-12-25 Ng Marting B.H. System and method for assembling trays and food on trays
EP1382278A2 (en) * 2002-07-17 2004-01-21 Marc De Maeyer Mobile gastronomic table for serving out food
EP1382277A3 (en) * 2002-07-17 2004-02-04 Marc De Maeyer Gastronomic table for serving out food
EP1382278A3 (en) * 2002-07-17 2004-02-04 Marc De Maeyer Mobile gastronomic table for serving out food
WO2004089167A1 (en) * 2003-04-08 2004-10-21 Marc De Maeyer Mobile gastronomic table for serving out food
US7337895B2 (en) 2003-04-08 2008-03-04 Marc De Maeyer Mobile gastronomic table for serving out food
US20080121494A1 (en) * 2003-04-08 2008-05-29 Marc De Maeyer Mobile gastronomic table for serving out food
EP2082668A1 (en) * 2003-04-08 2009-07-29 Marc De Maeyer Mobile gastronomic table for serving out food
US20050178762A1 (en) * 2004-01-22 2005-08-18 Duke Manufacturing Company Food merchandising system
US7775346B1 (en) 2007-08-07 2010-08-17 Taylor Shirley D Food buffet table system
US20120248957A1 (en) * 2011-03-30 2012-10-04 Eaves Jr Charles L Food pan guide
US8763823B2 (en) * 2011-03-30 2014-07-01 The Delfield Company Llc Food pan guide
US9797633B2 (en) 2013-12-06 2017-10-24 Pearl Beach Temperature regulating food conveying container system
US9635936B1 (en) * 2014-10-20 2017-05-02 Robert Swislow Food presentation system
US20160345753A1 (en) * 2015-06-01 2016-12-01 Illinois Tool Works Inc. Food preparation table
US9943178B2 (en) * 2015-06-01 2018-04-17 Illinois Tool Works Inc. Food preparation table

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